Click on a day for an hourly weather forecast
The temperatures in Pwllheli in May are quite cold with temperatures between 9°C and 12°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Pwllheli. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Pwllheli in May 2025.
If you’re planning to visit Pwllheli in the near future, we highly recommend that you review the 14 day weather forecast for Pwllheli before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 6° | 12 | 17 | 2 | 163 mm | Awful | Pwllheli in January |
| February | 8° / 5° | 10 | 17 | 2 | 133 mm | Awful | Pwllheli in February |
| March | 8° / 6° | 8 | 22 | 1 | 99 mm | Bad | Pwllheli in March |
| April | 10° / 7° | 6 | 23 | 0 | 75 mm | Ok | Pwllheli in April |
| May | 12° / 9° | 8 | 24 | 0 | 102 mm | Bad | Pwllheli in May |
| June | 15° / 12° | 7 | 23 | 0 | 103 mm | Ok | Pwllheli in June |
| July | 16° / 14° | 8 | 23 | 0 | 116 mm | Ok | Pwllheli in July |
| August | 16° / 14° | 8 | 23 | 0 | 151 mm | Ok | Pwllheli in August |
| September | 15° / 13° | 8 | 22 | 0 | 139 mm | Ok | Pwllheli in September |
| October | 14° / 12° | 11 | 20 | 0 | 199 mm | Ok | Pwllheli in October |
| November | 11° / 9° | 12 | 18 | 0 | 203 mm | Bad | Pwllheli in November |
| December | 9° / 7° | 13 | 17 | 1 | 207 mm | Bad | Pwllheli in December |